Ballistics coefficient of OSA 223

[zobster]

Anyone knows the ballistics coefficient of OSA 223 loaded with 55g sierra blitzking at 3200fps? I've looked everywhere but can't seem to find any information.

[southeast varmiter]

https://www.sierrabullets.com/store/pro ... -BlitzKing
Ballistic Coefficients and Velocity Range
.271 @ 3100 fps and above
.264 between 3100 and 2550 fps
.250 between 2550 and 2050 fps
.236 between 2050 and 1800 fps
.224 @ 1800 fps and below

[zobster]

Thanks! Never thought to search for it there.